Rotary expansible chamber devices – With plural working fluid inlet or outlet passages
Patent
1983-03-21
1985-03-05
Vrablik, John J.
Rotary expansible chamber devices
With plural working fluid inlet or outlet passages
418104, 418133, F04C 1800, F04C 2900
Patent
active
045028540
ABSTRACT:
A vane compressor has a suction connector and a discharge connector arranged at a rear portion thereof. A rear suction chamber is formed at a rear side of the rear side block and communicates with pump working chambers. A passage means directly communicates the above rear suction chamber with an annular front suction chamber formed in the front head in a manner surrounding a sealing chamber accommodating a shaft-seal means.
REFERENCES:
patent: 2634904 (1953-04-01), Clerc
patent: 2942774 (1960-06-01), Blackman
patent: 3404634 (1968-10-01), Connelly
patent: 3711225 (1973-01-01), Kolbe et al.
patent: 3964844 (1976-06-01), Whitmore et al.
Ishizuka Yutaka
Nakamura Teruo
Shibuya Tsunenori
Diesel Kiki Co. Ltd.
Vrablik John J.
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